Formaldehyde (cas 50-00-0) Molecular Structure

CAS No. 50-00-0 (Formaldehyde )

Molecular Formula: CH2OMolecular Weight: 30.03

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References of Formaldehyde cas 50-00-0

} Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LCLo inhalation 400mg/m3/2H (400mg/m3) ? "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 69, 1982.
cat LDLo intravenous 30mg/kg (30mg/kg) BLOOD: OTHER CHANGES Acta Pharmacologica et Toxicologica. Vol. 8, Pg. 275, 1952.
dog LDLo intravenous 70mg/kg (70mg/kg) ? International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
dog LDLo subcutaneous 350mg/kg (350mg/kg) ? International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
frog LDLo parenteral 800ug/kg (0.8mg/kg) ? International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
guinea pig LD50 oral 260mg/kg (260mg/kg) ? Journal of Industrial Hygiene and Toxicology. Vol. 23, Pg. 259, 1941.
human TCLo inhalation 17mg/m3/30M (17mg/m3) SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
JAMA, Journal of the American Medical Association. Vol. 165, Pg. 1908, 1957.
man LDLo unreported 477mg/kg (477mg/kg) ? "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
man TCLo inhalation 300ug/m3 (0.3mg/m3) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

BEHAVIORAL: AGGRESSION
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 12(7), Pg. 20, 1968.
man TDLo oral 643mg/kg (643mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY OBSTRUCTION

GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH

GASTROINTESTINAL: NAUSEA OR VOMITING
Japanese Journal of Toxicology. Vol. 4, Pg. 261, 1991.
man TDLo oral 646mg/kg (646mg/kg) GASTROINTESTINAL: GASTRITIS

GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH

GASTROINTESTINAL: NAUSEA OR VOMITING
Japanese Journal of Toxicology. Vol. 4, Pg. 261, 1991.
mouse LC50 inhalation 454gm/m3/4H (454000mg/m3) ? Current Toxicology. Vol. 1, Pg. 47, 1993.
mouse LD50 oral 42mg/kg (42mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT
National Technical Information Service. Vol. AD-A125-539,
mouse LD50 subcutaneous 300mg/kg (300mg/kg) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: BRONCHIOLAR CONSTRICTION
Acta Pharmacologica et Toxicologica. Vol. 6, Pg. 299, 1950.
mouse LDLo intraperitoneal 16mg/kg (16mg/kg) ? Toxicology and Applied Pharmacology. Vol. 23, Pg. 288, 1972.
rabbit LD50 skin 270uL/kg (0.27mL/kg) ? Union Carbide Data Sheet. Vol. 4/21/1967,
rabbit LDLo intravenous 48mg/kg (48mg/kg) ? Arzneimittel-Forschung. Drug Research. Vol. 5, Pg. 213, 1955.
rabbit LDLo subcutaneous 240mg/kg (240mg/kg) ? JAMA, Journal of the American Medical Association. Vol. 62, Pg. 984, 1914.
rat LC50 inhalation 203mg/m3 (203mg/m3) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(2), Pg. 55, 1974.
rat LD50 intravenous 87mg/kg (87mg/kg) ? Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 221, Pg. 166, 1954.
rat LD50 oral 100mg/kg (100mg/kg) ? Food and Chemical Toxicology. Vol. 26, Pg. 447, 1988.
rat LD50 subcutaneous 420mg/kg (420mg/kg) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: BRONCHIOLAR CONSTRICTION
Acta Pharmacologica et Toxicologica. Vol. 6, Pg. 299, 1950.
women LDLo oral 1mL/kg (1mL/kg) BEHAVIORAL: COMA

GASTROINTESTINAL: ALTERATION IN GASTRIC SECRETION

CARDIAC: OTHER CHANGES
Intensive Care Medicine. Vol. 23, Pg. 708, 1997.
women LDLo oral 108mg/kg (108mg/kg) ? "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH, Chemical Rubber Co., 1968Vol. -, Pg. 328, 1968.

Safety

Hazard Codes:?T
Risk Statements: 34-40-43-39/23/24/25
34: Causes burns
40: Limited evidence of a carcinogenic effect
43: May cause sensitization by skin contact
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
Safety Statements: 51-45-36/37/39-26
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
51: Use only in well-ventilated areas
36/37/39: Wear suitable protective clothing, gloves and eye/face protection?
RIDADR: UN 1198 3/PG 3
WGK Germany: 2
RTECS: LP8925000
F: 10
HazardClass: 3
PackingGroup: III
Confirmed carcinogen with experimental carcinogenic, tumorigenic, and teratogenic data. Human poison by ingestion. Experimental poison by ingestion, skin contact, inhalation, intravenous, intraperitoneal, and subcutaneous routes. Human systemic effects by inhalation: lachrymation, olfactory changes, aggression, and pulmonary changes. Experimental reproductive effects. Human mutation data reported. A human skin and eye irritant. If swallowed it causes violent vomiting and diarrhea that can lead to collapse. Frequent or prolonged exposure can cause hypersensitivity leading to contact dermatitis, possibly of an eczematoid nature. An air concentration of 20?ppm is quickly irritating to eyes. A common air contaminant.

?

Flammable liquid when exposed to heat or flame; can react vigorously with oxidizers. A moderate explosion hazard when exposed to heat or flame. The gas is a more dangerous fire hazard than the vapor. Should formaldehyde be involved in a fire, irritating gaseous formaldehyde may be evolved. When aqueous formaldehyde solutions are heated above their flash points, a potential for an explosion hazard exists. High formaldehyde concentration or methanol content lowers the flash point. Reacts with sodium hydroxide to yield formic acid and hydrogen. Reacts with NOx at about 180°; the reaction becomes explosive. Also reacts violently with perchloric acid + aniline, performic acid, nitromethane, magnesium carbonate, H2O2. Moderately dangerous because of irritating vapor that may exist in toxic concentrations locally if storage tank is ruptured. To fight fire, stop flow of gas (for pure form); alcohol foam for 37% methanol-free form. When heated to decomposition it emits acrid smoke and fumes. See also ALDEHYDES.